So whats a Watt

Posted: Jul 01, 2009 | Comments: 0 | Views: 10 |

So what is a Watt, well in the International System of Units, it is a derived unit of power; the power of a system in which one joule of energy is transferred per second. Symbol: W. Okay got that? right moving along….

For the rest of us its a measure of how much energy it takes to run something be it a computer, hair dryer or an electric light bulb. The higher the wattage the more energy it will use. So the lower the wattage the less energy it uses so the less it costs us to run it.

With traditional bulbs the wattage is used as a gauge to how bright the bulb is. Whats amazing with LED light bulbs is they are a lot more efficient at converting to electricity to light. A traditional bulb wastes about 97% of its energy producing heat. A CFL about 90%

This is why LED light bulbs are such energy and cost savers : an LED bulb rated at 5 watts is gives out the same amount of light as a CFL bulb rated at 16 watts and the same as a traditional bulb rated at 60 watts. The plucky little led uses 92% less energy than the traditional bulb. Which is great for the environment and great for your wallet.

Next time LED Lighting will be looking at some real world figures including initial costs, life span of the bulbs and see who wins in a battle royal of LED V CFL V Traditional bulbs

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Richard Leddy

http://buyledlight.blogspot.com/2009/06/so-whats-watts.html http://buyledlight.blogspot.com

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